What really ________ is not failure itself, but the attitude we have towards it.

The teacher told the pupils that the United States of America _____ 50 states.

It doesn’t _____ to set off fireworks on holidays since the smog(雾霾) is so severe at present.

The emergency center is in great need of O-type blood，but there is__________ at hand.

We look forward to the day when the car will be replaced by some less dangerous_______ of transport.

I’d rather have a house that was _____ attractive to look at, but ______ comfortable to live in.

Piao Jinhui was elected president of the Republic of Korea in February, 2013 by a ______ majority, ______ a brand new start of the country.

_____ we have enough evidence, we can’t win the case.

It doesn’t _____ to set off fireworks on holidays since the smog(雾霾) is so severe at present.

— The deadline is drawing, but I failed to challenge the task a third time.
— ______ my brother have a try?